The technical Patagonia Boy's Capilene Silk Weight Graphic Tee is made of a layerable 4.6-oz polyester/spandex jersey with 50+ UPF sun protection. The Capilene Silk Weight Graphic tee has a straight hem and is available in multiple graphic options. Features: Cool-wearing polyester (35% recycled)/spandex jersey blend, with 50+ UPF sun protection and Polygiene permanent odor controlFair Trade Certified sewing Fun graphic options Straight hem Artists: Geoff McFetridge (Drifter Grey and Chartreuse), Patagonia original art (White) Material: 94% polyester (35% recycled)/6% spandex jersey with 50+ UPF sun protection Fabric is certified as bluesign approved See "Overview" below for sizing information.